<p>To predict the future of handhelds, the authors borrowed concepts from biology and look at the current computational environment as a jungle in which multiple device types compete for market survival. As in nature, the fittest devices rapidly increase their presence and succeed. Developers have already explored symbiosis to over-come some handheld limitations. In the symbiotic relationship between PDAs and larger desktop computers, for example, the desktop?s full-size keyboard and larger display simplify application and data management on the linked PDA.</p><p></p>